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113 lines
3.8 KiB
113 lines
3.8 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is a project management system.
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# Copyright (C) 2012-2017 the OpenProject Foundation (OPF)
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2017 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# See doc/COPYRIGHT.rdoc for more details.
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#++
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module WorkPackage::SchedulingRules
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extend ActiveSupport::Concern
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included do
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# add class-methods (validations, scope) here
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end
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def reschedule_by(delta)
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return if delta.zero?
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if leaf?
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# HACK: On some more deeply nested settings (not sure what causes it)
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# the work package can already have been updated by one of the other after_save hooks.
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# To prevent a stale object error, we reload the lock preemptively.
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set_current_lock_version
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current_buffer = soonest_start - start_date
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max_allowed_delta = if current_buffer < delta
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delta
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else
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current_buffer
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end
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self.start_date += max_allowed_delta
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self.due_date += max_allowed_delta
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save(validate: false)
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else
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leaves.each do |leaf|
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# this depends on the "update_parent_attributes" after save hook
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# updating the start/end date of each work package between leaf and self
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leaf.reschedule_by(delta)
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end
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end
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end
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def reschedule_after(date)
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return if date.nil?
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if leaf?
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if start_date.nil? || start_date < date
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# HACK: On some more deeply nested settings (not sure what causes it)
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# the work package can already have been updated by one of the other after_save hooks.
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# To prevent a stale object error, we reload the lock preemptively.
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set_current_lock_version
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# order is important here as the calculation for duration factors in start and due date
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self.due_date = date + duration - 1
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self.start_date = date
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save(validate: false)
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end
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else
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leaves.each do |leaf|
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# this depends on the "update_parent_attributes" after save hook
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# updating the start/end date of each work package between leaf and self
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leaf.reschedule_after(date)
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end
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end
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end
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# Returns the time scheduled for this work package.
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#
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# Example:
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# Start Date: 2/26/09, Due Date: 3/04/09, duration => 7
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# Start Date: 2/26/09, Due Date: 2/26/09, duration => 1
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# Start Date: 2/26/09, Due Date: - , duration => 1
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# Start Date: - , Due Date: 2/26/09, duration => 1
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def duration
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if start_date && due_date
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due_date - start_date + 1
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else
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1
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end
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end
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def set_current_lock_version
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# Refrain from using reload(select: :lock_version) as this would cause unperisted attribute
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# information to be lost.
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self.lock_version = WorkPackage.where(id: id).pluck(:lock_version).first || 0
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end
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end
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